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TO ALL lWHM IT MAY GONCERN w. T. GH'AFFEE, :or RICHMOND, VIRGINIA; Assiettes To HIMSELF AND SAMUEL M. DRINKER, OF SAME PLACE,

Letras .Patent No. 75,520, and Matan 17, :lesal Be it known that I, W. T. CHAFFEE, of "Richmond, in the county'lof Henrico, and `Stateot' Virginia, havel invented afnew and useful Improvement Cockle and Grain-Separator and I do' hereby declare that the fol-` lowing is a full, clear, and exact description thereof, which will' enable those skilled in the art to make and usc the same, reference being had tothe accompanying drawings, forming'part of this specification.

Figure 1 is atop or planview of my improved machine;

Figure 2 is a verticallongitudinal sectlon of the same, taken through Vthe line a: sc, fig. il.

Figure 3 is a verticalcross-section of the same,t ak`en through the line y y, fig. .2.

Similar letters of reference indicate corresponding parts.

My invention has for its object tov furnish an improved machine, designed especially for separating wheat and other grain from cockie, Partridge-pea or berry, andother small seeds, andfor separating the large, full kernels of grain for seed from the smaller kernels, which shall be simple in construction, easily operated, andeffective in operation; and it consists inthe construction and combination of the various parts, as hereinafter more fully described. l

A is the frame of the-machine; the front end of which, wherethe grain is introducedshould bemade higher than the rear end, at which the grain is discharged.4 l B and Gare two long triangular bars, placed and wei-king in notches formed in the cross-bars aof the frame A, and which should exceed in length the length of the frame A. The bars B and C should be so placed that their inclined sides may be towards each other, and may form a spout or trough, along which the grain passes while being cleaned. The bars B and C have tapering vertical holes lformed'in them', as shown in figs. 1 and 3; Athe small ends of said tapering holes being upward, so that the small seeds in passing through may not clog 'the said holes. I D are guides, dove-tailed to the crossbars va of the fra-inel A, which enter a dove-tailed groove orgrooves formed in the lower side or base of one of the triangular bars, as B, to guide it andrhold itin its proper relative position while beingoperated. E'are bars, dove-tailed or otherwise secured to thc vertical sides of the notches in the cross-.bars a" ofthe fra-me A, and which are connected by hand-screws, F, withdove-tailed-bars, Gnwhich enter a dove-tailed. groove or grooves in the sides of the other triangular bar, as C, as shown in gs. 2 and 3,. soas not only to guide the said bar and hold it in its vproper relative position while being operated, but alsovto enable the said bar C to he moved back laterally, so

that the small ykernel-s 'of grain `may escape between the bars B and C, allowing only-the larger or well-filled kernels to pass out at the end of the trough formed by the said hars.v The` bars B and C maybe moved longitudinally hack and forth alternately to facilitate the movement of the grain by cranks or eccentric; formed upon or attached to the'shaft H, and connected to the lower sides vof the bars B and C bythe pitmcn I, as shown in iig. 2. The shaft H revolves ,in bearings in the forwardendof 'the frame A, and motion may be given to it by a. crank, J, or by a pulley, as may be desired. K is the hopper, through which the grain is'introdnced, into the machine, and which is attached to the frame A in such a position as to be above thehigher or forward end of .the spout or troughformed by the triangular perforated bars B and C. If desired, an apron or spout may be placed beneath the trough B C to receive the cockle,'&c.,.and guide it to the forward end of' themachinc, while the cleaned grain escapes from the rear or tail-end of the machine.

I claim as new, and desire to secure by LettersPatcnt- 1.. The combination of the perforated, sliding, triangular bars B and C with each other and with the frame A, substantially as herein shown and described,vand for the purpose 'set forth. 4

o 2. AConnecting one of the trangularbars, as C, to the cross-bars a of theframe A by the dove-tailed bars E and Gr'and hand-screws F, or by equivalent means, so that it may be moved back and forth or adjusted laterally, `substantially as herein shown and described, and for the purpose set forth. 8. The combination of the crank-shaft H and pitmen I with the sliding triangular bars B and C, and with Y the frame A, substantially as herein shown and described, and for the purpose set forth.'

The above specification of my invention signed by me, this 11th day of January, 1868.

' l 4 W. r. 'CHAFFEEL `v Witnesses: l

ANDREW L.V ELLn'rr, .IY Si. BURKE. 

